return success on empty arp_loop()
return success on empty arp_loop()

jncornett/libdnet,kbandla/libdnet,wtfbbqhax/libdnet,jncornett/libdnet,kbandla/libdnet,wtfbbqhax/libdnet,wtfbbqhax/libdnet,kbandla/libdnet,jncornett/libdnet